#ifndef _IIC_H__
#define _IIC_H__

void I2CStart(void);
void I2CStop(void);
unsigned char I2CWaitAck(void);  
void I2CSendAck(unsigned char ackbit);
void I2CSendByte(unsigned char byt);
unsigned char I2CReceiveByte(void);
void PCF8591_Dac(unsigned char dat); 

#endif